emmetropia

[ em-i-troh-pee-uh ]

noun

, Ophthalmology.

1. the normal refractive condition of the eye, in which the rays of light are accurately focused on the retina.

emmetropia

/ ˌɛmɪˈtrɒpɪk; ˌɛmɪˈtrəʊpɪə /

noun

1. the normal condition of perfect vision, in which parallel light rays are focused on the retina without the need for accommodation

Derived Forms

• emmetropic, adjective

Other Words From

• emme·trope noun
• em·me·trop·ic [em-i-, trop, -ik, -, troh, -pik], adjective

Word History and Origins

Origin of emmetropia¹

1860–65; < New Latin, equivalent to emmetr- (stem of Greek émmetros in measure, equivalent to em- em- ² + métr ( on ) measure + -os adj. suffix) + -opia -opia

Word History and Origins

Origin of emmetropia¹

C19: from New Latin, from Greek emmetros in due measure + -opia

Example Sentences

Visual acuteness on both sides 5/12, the left slightly better than the right; emmetropia in mydriasis by atropine.

From Project Gutenberg

I have occasionally seen periodic accommodative squint with emmetropia of the fixing eye.

From Project Gutenberg

It may, therefore, be useful for our purpose to cite a few cases of periodic convergent strabismus with emmetropia.

From Project Gutenberg

Therefore we see the same form of squint arise less often in emmetropia (see Case 45) when childhood is past, than in myopia.

From Project Gutenberg

Full visual acuity on both sides—in the first examination slight myopia - ·75 D. is specified, afterwards emmetropia.

From Project Gutenberg